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Unit One Basic Knowledge of Die or Mold 1

Lesson 1 What Is Die or Mold? 1

Reading Materials:(1)The Definition of a Die 3

(2)Blanking Die 4

Lesson 2 Die and Mold Steels 4

Reading Materials:Engineering Materials'Categories and Properties 6

Lesson 3 Heat Treatment of Steel 7

Reading Materials:Common Methods in Heat Treatment 9

Unit Two Sheet Forming Processes and Die Design 12

Lesson 4 Sheet Forming Technique 12

Reading Materials:Five Factors in Blanking 15

Lesson 5 Piercing Die and Blanking Die 16

Reading Materials:Methods of Reducing Cutting Forces 19

Lesson 6 Compound Die 20

Reading Materials:Drawing Die 22

Lesson 7 Bending Die 24

Reading Materials:Die Part—Stock Stop 27

Unit Three Other Forming Processes 29

Lesson 8 Forging 29

Reading Materials:The Properties of the Forging Process 33

Lesson 9 Extrusion 33

Reading Materials:No-Draft Forging 36

Lesson 10 Pressure Die-Casting Die 37

Reading Materials:The Die Insert 39

Unit Four Plastic Molding Processes 40

Lesson 11 What Is Plastics? 40

Reading Materials:Fillers 42

Lesson 12 Injection Mold 43

Reading Materials:The Elements in a Conventional Two-Plate Injection Mold 46

Lesson 13 Compression Mold(1) 47

Reading Materials:Compression Mold(2) 49

Lesson 14 Transfer Mold 50

Reading Materials:Characteristics of Forming for Plastics 53

Unit Five Forming Machines 54

Lesson 15 Types of Press 54

Reading Materials:The Specifications of Press 57

Lesson 16 Main Components of a Press 58

Reading Materials:Parting Surface 60

Lesson 17 Injection-Molding Machine 62

Reading Materials:The Specifications of Injection Molding Machine 66

Lesson 18 Components of Injection Molding Machine 67

Reading Materials:Enjection 70

Unit Six Dies and Molds Manufacture 72

Lesson 19 Introduction to Mold Making Methods(1) 72

Lesson 20 Introduction to Mold Making Methods(2) 76

Lesson 21 Types of CNC Machines 78

Reading Materials:Basic Functions of CNC Machine Control 81

Lesson 22 Non-traditional Machining 83

Reading Materials:(1)Electrochemical Machining(ECM) 86

(2)Laser-Beam Machining(LBM) 86

Lesson 23 Bench Fitting 88

Reading Materials:Rapid Prototyping Technologies 90

Unit Seven CAD/CAM/CAE 92

Lesson 24 Concepts of CAD/CAM 92

Reading Materials:Interactive Computer Graphics(ICG) 94

Lesson 25 Applications of CAD/CAM 94

Reading Materials:Industrial Robots 97

Lesson 26 Introduction of a CAE Software—Moldflow 98

Reading Materials:Constraints between CAD and CAM 101

Unit Eight Life and Failure of Die 103

Lesson 27 Types and Reasons of Die Failure 103

Reading Materials:Effects of Surface Treatment and Lubricant on Die Life 105

Appendix 107

Appendix Ⅰ Glossary of Terms 107

塑料模术语 Terminology for Plastics Mold 107

冲模术语 Terminology for Die 109

热处理术语 Terminology for Heat Treatment 110

Appendix Ⅱ Vocabulary 111

Referenees 125